/*
 * Copyright 2018 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkGlyphRunPainter_DEFINED
#define SkGlyphRunPainter_DEFINED

#include "include/core/SkSamplingOptions.h"
#include "include/core/SkSurfaceProps.h"
#include "src/base/SkZip.h"

#include <cstdint>

class SkBitmap;
class SkCanvas;
class SkColorSpace;
class SkGlyph;
class SkMatrix;
class SkPaint;
enum SkColorType : int;
enum class SkScalerContextFlags : uint32_t;
namespace sktext {
class GlyphRunList;
}
struct SkPoint;
struct SkRect;

class SkGlyphRunListPainterCPU {
public:
    class BitmapDevicePainter {
    public:
        BitmapDevicePainter() = default;
        BitmapDevicePainter(const BitmapDevicePainter &) = default;
        virtual ~BitmapDevicePainter() = default;

        virtual void paintMasks(SkZip<const SkGlyph *, SkPoint> accepted, const SkPaint &paint) const = 0;
        virtual void drawBitmap(const SkBitmap &, const SkMatrix &, const SkRect *dstOrNull, const SkSamplingOptions &,
            const SkPaint &) const = 0;
    };

    SkGlyphRunListPainterCPU(const SkSurfaceProps &props, SkColorType colorType, SkColorSpace *cs);

    void drawForBitmapDevice(SkCanvas *canvas, const BitmapDevicePainter *bitmapDevice,
        const sktext::GlyphRunList &glyphRunList, const SkPaint &paint, const SkMatrix &drawMatrix);

private:
    // The props as on the actual device.
    const SkSurfaceProps fDeviceProps;

    // The props for when the bitmap device can't draw LCD text.
    const SkSurfaceProps fBitmapFallbackProps;
    const SkColorType fColorType;
    const SkScalerContextFlags fScalerContextFlags;
};
#endif // SkGlyphRunPainter_DEFINED
